git.maemo.org Git - connman/blob - src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 struct connman_network {
  33         struct connman_element element;
  34         enum connman_network_type type;
  35         enum connman_network_protocol protocol;
  36         connman_bool_t available;
  37         connman_bool_t connected;
  38         connman_bool_t remember;
  39         connman_uint8_t priority;
  40         connman_uint8_t strength;
  41         char *identifier;
  42         char *address;
  43         char *name;
  44         char *node;
  45         char *group;
  46
  47         struct connman_network_driver *driver;
  48         void *driver_data;
  49
  50         connman_bool_t registered;
  51
  52         struct connman_device *device;
  53
  54         struct {
  55                 void *ssid;
  56                 int ssid_len;
  57                 char *mode;
  58                 char *security;
  59                 char *passphrase;
  60         } wifi;
  61 };
  62
  63 static const char *type2string(enum connman_network_type type)
  64 {
  65         switch (type) {
  66         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  67         case CONNMAN_NETWORK_TYPE_VENDOR:
  68                 break;
  69         case CONNMAN_NETWORK_TYPE_WIFI:
  70                 return "wifi";
  71         case CONNMAN_NETWORK_TYPE_WIMAX:
  72                 return "wimax";
  73         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  74         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  75                 return "bluetooth";
  76         case CONNMAN_NETWORK_TYPE_HSO:
  77                 return "cellular";
  78         }
  79
  80         return NULL;
  81 }
  82
  83 static DBusMessage *get_properties(DBusConnection *conn,
  84                                         DBusMessage *msg, void *data)
  85 {
  86         struct connman_network *network = data;
  87         DBusMessage *reply;
  88         DBusMessageIter array, dict;
  89
  90         DBG("conn %p", conn);
  91
  92         if (__connman_security_check_privilege(msg,
  93                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  94                 return __connman_error_permission_denied(msg);
  95
  96         reply = dbus_message_new_method_return(msg);
  97         if (reply == NULL)
  98                 return NULL;
  99
 100         dbus_message_iter_init_append(reply, &array);
 101
 102         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 103                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 104                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 105                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 106
 107         if (network->device) {
 108                 const char *path = connman_device_get_path(network->device);
 109                 if (path != NULL)
 110                         connman_dbus_dict_append_variant(&dict, "Device",
 111                                                 DBUS_TYPE_OBJECT_PATH, &path);
 112         }
 113
 114         if (network->address != NULL)
 115                 connman_dbus_dict_append_variant(&dict, "Address",
 116                                         DBUS_TYPE_STRING, &network->address);
 117
 118         if (network->name != NULL)
 119                 connman_dbus_dict_append_variant(&dict, "Name",
 120                                         DBUS_TYPE_STRING, &network->name);
 121
 122         connman_dbus_dict_append_variant(&dict, "Available",
 123                                 DBUS_TYPE_BOOLEAN, &network->available);
 124
 125         connman_dbus_dict_append_variant(&dict, "Connected",
 126                                 DBUS_TYPE_BOOLEAN, &network->connected);
 127
 128         connman_dbus_dict_append_variant(&dict, "Remember",
 129                                 DBUS_TYPE_BOOLEAN, &network->remember);
 130
 131         if (network->priority > 0)
 132                 connman_dbus_dict_append_variant(&dict, "Priority",
 133                                         DBUS_TYPE_BYTE, &network->priority);
 134
 135         if (network->strength > 0)
 136                 connman_dbus_dict_append_variant(&dict, "Strength",
 137                                         DBUS_TYPE_BYTE, &network->strength);
 138
 139         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 140                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 141                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 142                                                 network->wifi.ssid_len);
 143
 144         if (network->wifi.mode != NULL)
 145                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 146                                 DBUS_TYPE_STRING, &network->wifi.mode);
 147
 148         if (network->wifi.security != NULL)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 150                                 DBUS_TYPE_STRING, &network->wifi.security);
 151
 152         if (network->wifi.passphrase != NULL &&
 153                         __connman_security_check_privilege(msg,
 154                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 155                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 156                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 157
 158         dbus_message_iter_close_container(&array, &dict);
 159
 160         return reply;
 161 }
 162
 163 static DBusMessage *set_property(DBusConnection *conn,
 164                                         DBusMessage *msg, void *data)
 165 {
 166         struct connman_network *network = data;
 167         DBusMessageIter iter, value;
 168         const char *name;
 169         int type;
 170
 171         DBG("conn %p", conn);
 172
 173         if (dbus_message_iter_init(msg, &iter) == FALSE)
 174                 return __connman_error_invalid_arguments(msg);
 175
 176         dbus_message_iter_get_basic(&iter, &name);
 177         dbus_message_iter_next(&iter);
 178         dbus_message_iter_recurse(&iter, &value);
 179
 180         if (__connman_security_check_privilege(msg,
 181                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 182                 return __connman_error_permission_denied(msg);
 183
 184         type = dbus_message_iter_get_arg_type(&value);
 185
 186         if (g_str_equal(name, "Remember") == TRUE) {
 187                 connman_bool_t remember;
 188
 189                 if (type != DBUS_TYPE_BOOLEAN)
 190                         return __connman_error_invalid_arguments(msg);
 191
 192                 dbus_message_iter_get_basic(&value, &remember);
 193
 194                 if (network->remember == remember)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 network->remember = remember;
 198         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 199                 const char *passphrase;
 200
 201                 if (type != DBUS_TYPE_STRING)
 202                         return __connman_error_invalid_arguments(msg);
 203
 204                 if (__connman_security_check_privilege(msg,
 205                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 206                         return __connman_error_permission_denied(msg);
 207
 208                 dbus_message_iter_get_basic(&value, &passphrase);
 209
 210                 g_free(network->wifi.passphrase);
 211                 network->wifi.passphrase = g_strdup(passphrase);
 212         } else if (g_str_equal(name, "Priority") == TRUE) {
 213                 connman_uint8_t priority;
 214
 215                 if (type != DBUS_TYPE_BYTE)
 216                         return __connman_error_invalid_arguments(msg);
 217
 218                 dbus_message_iter_get_basic(&value, &priority);
 219
 220                 network->priority = priority;
 221         }
 222
 223         __connman_storage_save_network(network);
 224
 225         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 226 }
 227
 228 static DBusMessage *do_connect(DBusConnection *conn,
 229                                         DBusMessage *msg, void *data)
 230 {
 231         struct connman_network *network = data;
 232         int err;
 233
 234         DBG("conn %p", conn);
 235
 236         if (__connman_security_check_privilege(msg,
 237                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 238                 return __connman_error_permission_denied(msg);
 239
 240         if (network->connected == TRUE)
 241                 return __connman_error_failed(msg);
 242
 243         if (network->driver && network->driver->connect) {
 244                 enum connman_device_mode mode;
 245
 246                 mode = connman_device_get_mode(network->device);
 247                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 248                         __connman_device_disconnect(network->device);
 249
 250                 err = network->driver->connect(network);
 251                 if (err < 0 && err != -EINPROGRESS)
 252                         return __connman_error_failed(msg);
 253         } else
 254                 network->connected = TRUE;
 255
 256         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 257 }
 258
 259 static DBusMessage *do_disconnect(DBusConnection *conn,
 260                                         DBusMessage *msg, void *data)
 261 {
 262         struct connman_network *network = data;
 263         int err;
 264
 265         DBG("conn %p", conn);
 266
 267         if (__connman_security_check_privilege(msg,
 268                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 269                 return __connman_error_permission_denied(msg);
 270
 271         if (network->connected == FALSE)
 272                 return __connman_error_failed(msg);
 273
 274         connman_element_unregister_children(&network->element);
 275
 276         connman_device_set_disconnected(network->device, TRUE);
 277
 278         if (network->driver && network->driver->disconnect) {
 279                 err = network->driver->disconnect(network);
 280                 if (err < 0 && err != -EINPROGRESS)
 281                         return __connman_error_failed(msg);
 282         } else
 283                 network->connected = FALSE;
 284
 285         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 286 }
 287
 288 static GDBusMethodTable network_methods[] = {
 289         { "GetProperties", "",   "a{sv}", get_properties },
 290         { "SetProperty",   "sv", "",      set_property   },
 291         { "Connect",       "",   "",      do_connect     },
 292         { "Disconnect",    "",   "",      do_disconnect  },
 293         { },
 294 };
 295
 296 static GDBusSignalTable network_signals[] = {
 297         { "PropertyChanged", "sv" },
 298         { },
 299 };
 300
 301 static DBusConnection *connection;
 302
 303 static void append_networks(struct connman_device *device,
 304                                                 DBusMessageIter *entry)
 305 {
 306         DBusMessageIter value, iter;
 307         const char *key = "Networks";
 308
 309         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 310
 311         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 312                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 313                                                                 &value);
 314
 315         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 316                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 317         __connman_element_list((struct connman_element *) device,
 318                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 319         dbus_message_iter_close_container(&value, &iter);
 320
 321         dbus_message_iter_close_container(entry, &value);
 322 }
 323
 324 static void emit_networks_signal(struct connman_device *device)
 325 {
 326         const char *path = connman_device_get_path(device);
 327         DBusMessage *signal;
 328         DBusMessageIter entry;
 329
 330         signal = dbus_message_new_signal(path,
 331                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 332         if (signal == NULL)
 333                 return;
 334
 335         dbus_message_iter_init_append(signal, &entry);
 336
 337         append_networks(device, &entry);
 338
 339         g_dbus_send_message(connection, signal);
 340 }
 341
 342 static int register_interface(struct connman_element *element)
 343 {
 344         struct connman_network *network = element->network;
 345
 346         DBG("element %p name %s", element, element->name);
 347
 348         if (g_dbus_register_interface(connection, element->path,
 349                                         CONNMAN_NETWORK_INTERFACE,
 350                                         network_methods, network_signals,
 351                                         NULL, network, NULL) == FALSE) {
 352                 connman_error("Failed to register %s network", element->path);
 353                 return -EIO;
 354         }
 355
 356         network->registered = TRUE;
 357
 358         emit_networks_signal(network->device);
 359
 360         return 0;
 361 }
 362
 363 static void unregister_interface(struct connman_element *element)
 364 {
 365         struct connman_network * network = element->network;
 366
 367         DBG("element %p name %s", element, element->name);
 368
 369         network->registered = FALSE;
 370
 371         emit_networks_signal(network->device);
 372
 373         g_dbus_unregister_interface(connection, element->path,
 374                                                 CONNMAN_NETWORK_INTERFACE);
 375 }
 376
 377 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 378 {
 379         if (network == NULL || network->driver == NULL)
 380                 return FALSE;
 381
 382         return network->registered;
 383 }
 384
 385 static GSList *driver_list = NULL;
 386
 387 static gint compare_priority(gconstpointer a, gconstpointer b)
 388 {
 389         const struct connman_network_driver *driver1 = a;
 390         const struct connman_network_driver *driver2 = b;
 391
 392         return driver2->priority - driver1->priority;
 393 }
 394
 395 /**
 396  * connman_network_driver_register:
 397  * @driver: network driver definition
 398  *
 399  * Register a new network driver
 400  *
 401  * Returns: %0 on success
 402  */
 403 int connman_network_driver_register(struct connman_network_driver *driver)
 404 {
 405         DBG("driver %p name %s", driver, driver->name);
 406
 407         driver_list = g_slist_insert_sorted(driver_list, driver,
 408                                                         compare_priority);
 409
 410         return 0;
 411 }
 412
 413 /**
 414  * connman_network_driver_unregister:
 415  * @driver: network driver definition
 416  *
 417  * Remove a previously registered network driver
 418  */
 419 void connman_network_driver_unregister(struct connman_network_driver *driver)
 420 {
 421         DBG("driver %p name %s", driver, driver->name);
 422
 423         driver_list = g_slist_remove(driver_list, driver);
 424 }
 425
 426 static void network_destruct(struct connman_element *element)
 427 {
 428         struct connman_network *network = element->network;
 429
 430         DBG("element %p name %s", element, element->name);
 431
 432         g_free(network->wifi.ssid);
 433         g_free(network->wifi.mode);
 434         g_free(network->wifi.security);
 435         g_free(network->wifi.passphrase);
 436
 437         g_free(network->group);
 438         g_free(network->node);
 439         g_free(network->name);
 440         g_free(network->address);
 441         g_free(network->identifier);
 442 }
 443
 444 /**
 445  * connman_network_create:
 446  * @identifier: network identifier (for example an unqiue name)
 447  *
 448  * Allocate a new network and assign the #identifier to it.
 449  *
 450  * Returns: a newly-allocated #connman_network structure
 451  */
 452 struct connman_network *connman_network_create(const char *identifier,
 453                                                 enum connman_network_type type)
 454 {
 455         struct connman_network *network;
 456         connman_uint8_t strength = 0;
 457         const char *str;
 458         char *temp;
 459         unsigned int i;
 460
 461         DBG("identifier %s type %d", identifier, type);
 462
 463         network = g_try_new0(struct connman_network, 1);
 464         if (network == NULL)
 465                 return NULL;
 466
 467         DBG("network %p", network);
 468
 469         __connman_element_initialize(&network->element);
 470
 471         temp = g_strdup(identifier);
 472         if (temp == NULL) {
 473                 g_free(network);
 474                 return NULL;
 475         }
 476
 477         for (i = 0; i < strlen(temp); i++) {
 478                 char tmp = temp[i];
 479                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 480                                                 (tmp < 'a' || tmp > 'z'))
 481                         temp[i] = '_';
 482         }
 483
 484         network->element.name = temp;
 485         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 486
 487         network->element.network = network;
 488         network->element.destruct = network_destruct;
 489
 490         str = type2string(type);
 491         if (str != NULL)
 492                 connman_element_set_string(&network->element, "Type", str);
 493
 494         connman_element_set_uint8(&network->element, "Strength", strength);
 495
 496         network->type = type;
 497         network->identifier = g_strdup(identifier);
 498
 499         return network;
 500 }
 501
 502 /**
 503  * connman_network_ref:
 504  * @network: network structure
 505  *
 506  * Increase reference counter of  network
 507  */
 508 struct connman_network *connman_network_ref(struct connman_network *network)
 509 {
 510         if (connman_element_ref(&network->element) == NULL)
 511                 return NULL;
 512
 513         return network;
 514 }
 515
 516 /**
 517  * connman_network_unref:
 518  * @network: network structure
 519  *
 520  * Decrease reference counter of network
 521  */
 522 void connman_network_unref(struct connman_network *network)
 523 {
 524         connman_element_unref(&network->element);
 525 }
 526
 527 /**
 528  * connman_network_get_identifier:
 529  * @network: network structure
 530  *
 531  * Get identifier of network
 532  */
 533 const char *connman_network_get_identifier(struct connman_network *network)
 534 {
 535         return network->identifier;
 536 }
 537
 538 /**
 539  * connman_network_get_path:
 540  * @network: network structure
 541  *
 542  * Get path name of network
 543  */
 544 const char *connman_network_get_path(struct connman_network *network)
 545 {
 546         return network->element.path;
 547 }
 548
 549 /**
 550  * connman_network_set_index:
 551  * @network: network structure
 552  * @index: index number
 553  *
 554  * Set index number of network
 555  */
 556 void connman_network_set_index(struct connman_network *network, int index)
 557 {
 558         network->element.index = index;
 559 }
 560
 561 /**
 562  * connman_network_get_index:
 563  * @network: network structure
 564  *
 565  * Get index number of network
 566  */
 567 int connman_network_get_index(struct connman_network *network)
 568 {
 569         return network->element.index;
 570 }
 571
 572 /**
 573  * connman_network_set_protocol:
 574  * @network: network structure
 575  * @protocol: network protocol
 576  *
 577  * Change protocol of network
 578  */
 579 void connman_network_set_protocol(struct connman_network *network,
 580                                         enum connman_network_protocol protocol)
 581 {
 582         network->protocol = protocol;
 583 }
 584
 585 /**
 586  * connman_network_set_group:
 587  * @network: network structure
 588  * @group: group name
 589  *
 590  * Set group name for automatic clustering
 591  */
 592 void connman_network_set_group(struct connman_network *network,
 593                                                         const char *group)
 594 {
 595         g_free(network->group);
 596         network->group = g_strdup(group);
 597 }
 598
 599 /**
 600  * connman_network_set_available:
 601  * @network: network structure
 602  * @available: availability state
 603  *
 604  * Change availability state of network (in range)
 605  */
 606 int connman_network_set_available(struct connman_network *network,
 607                                                 connman_bool_t available)
 608 {
 609         DBusMessage *signal;
 610         DBusMessageIter entry, value;
 611         const char *key = "Available";
 612
 613         DBG("network %p available %d", network, available);
 614
 615         if (network->available == available)
 616                 return -EALREADY;
 617
 618         network->available = available;
 619
 620         if (network->registered == FALSE)
 621                 return 0;
 622
 623         if (network->connected == TRUE)
 624                 return 0;
 625
 626         if (network->remember == FALSE)
 627                 return 0;
 628
 629         signal = dbus_message_new_signal(network->element.path,
 630                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 631         if (signal == NULL)
 632                 return 0;
 633
 634         dbus_message_iter_init_append(signal, &entry);
 635
 636         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 637
 638         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 639                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 640         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 641         dbus_message_iter_close_container(&entry, &value);
 642
 643         g_dbus_send_message(connection, signal);
 644
 645         return 0;
 646 }
 647
 648 /**
 649  * connman_network_get_available:
 650  * @network: network structure
 651  *
 652  * Get network available setting
 653  */
 654 connman_bool_t connman_network_get_available(struct connman_network *network)
 655 {
 656         return network->available;
 657 }
 658
 659 static gboolean set_connected(gpointer user_data)
 660 {
 661         struct connman_network *network = user_data;
 662
 663         if (network->connected == TRUE) {
 664                 struct connman_element *element;
 665                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 666
 667                 switch (network->protocol) {
 668                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 669                         return 0;
 670                 case CONNMAN_NETWORK_PROTOCOL_IP:
 671                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 672                         break;
 673                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 674                         type = CONNMAN_ELEMENT_TYPE_PPP;
 675                         break;
 676                 }
 677
 678                 __connman_device_increase_connections(network->device);
 679
 680                 __connman_device_set_network(network->device, network);
 681
 682                 connman_device_set_disconnected(network->device, FALSE);
 683
 684                 element = connman_element_create(NULL);
 685                 if (element != NULL) {
 686                         element->type  = type;
 687                         element->index = network->element.index;
 688
 689                         if (connman_element_register(element,
 690                                                 &network->element) < 0)
 691                                 connman_element_unref(element);
 692                 }
 693         } else {
 694                 connman_element_unregister_children(&network->element);
 695
 696                 __connman_device_set_network(network->device, NULL);
 697
 698                 __connman_device_decrease_connections(network->device);
 699         }
 700
 701         return FALSE;
 702 }
 703
 704 /**
 705  * connman_network_set_connected:
 706  * @network: network structure
 707  * @connected: connected state
 708  *
 709  * Change connected state of network
 710  */
 711 int connman_network_set_connected(struct connman_network *network,
 712                                                 connman_bool_t connected)
 713 {
 714         DBusMessage *signal;
 715         DBusMessageIter entry, value;
 716         const char *key = "Connected";
 717
 718         DBG("network %p connected %d", network, connected);
 719
 720         if (network->connected == connected)
 721                 return -EALREADY;
 722
 723         network->connected = connected;
 724
 725         if (network->registered == FALSE) {
 726                 g_idle_add(set_connected, network);
 727                 return 0;
 728         }
 729
 730         signal = dbus_message_new_signal(network->element.path,
 731                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 732         if (signal == NULL)
 733                 return 0;
 734
 735         dbus_message_iter_init_append(signal, &entry);
 736
 737         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 738
 739         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 740                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 741         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 742         dbus_message_iter_close_container(&entry, &value);
 743
 744         g_dbus_send_message(connection, signal);
 745
 746         set_connected(network);
 747
 748         return 0;
 749 }
 750
 751 /**
 752  * connman_network_get_connected:
 753  * @network: network structure
 754  *
 755  * Get network connection status
 756  */
 757 connman_bool_t connman_network_get_connected(struct connman_network *network)
 758 {
 759         return network->connected;
 760 }
 761
 762 /**
 763  * connman_network_set_remember:
 764  * @network: network structure
 765  * @remember: remember state
 766  *
 767  * Change remember state of network (known networks)
 768  */
 769 int connman_network_set_remember(struct connman_network *network,
 770                                                 connman_bool_t remember)
 771 {
 772         DBusMessage *signal;
 773         DBusMessageIter entry, value;
 774         const char *key = "Remember";
 775
 776         DBG("network %p remember %d", network, remember);
 777
 778         if (network->remember == remember)
 779                 return -EALREADY;
 780
 781         network->remember = remember;
 782
 783         if (network->registered == FALSE)
 784                 return 0;
 785
 786         signal = dbus_message_new_signal(network->element.path,
 787                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 788         if (signal == NULL)
 789                 return 0;
 790
 791         dbus_message_iter_init_append(signal, &entry);
 792
 793         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 794
 795         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 796                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 797         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 798         dbus_message_iter_close_container(&entry, &value);
 799
 800         g_dbus_send_message(connection, signal);
 801
 802         return 0;
 803 }
 804
 805 /**
 806  * connman_network_get_remember:
 807  * @network: network structure
 808  *
 809  * Get network remember setting
 810  */
 811 connman_bool_t connman_network_get_remember(struct connman_network *network)
 812 {
 813         return network->remember;
 814 }
 815
 816 /**
 817  * connman_network_connect:
 818  * @network: network structure
 819  *
 820  * Connect network
 821  */
 822 int connman_network_connect(struct connman_network *network)
 823 {
 824         if (network->connected == TRUE)
 825                 return -EALREADY;
 826
 827         if (network->driver && network->driver->connect)
 828                 return network->driver->connect(network);
 829
 830         network->connected = TRUE;
 831
 832         return 0;
 833 }
 834
 835 int __connman_network_disconnect(struct connman_network *network)
 836 {
 837         if (network->connected == FALSE)
 838                 return -ENOTCONN;
 839
 840         connman_element_unregister_children(&network->element);
 841
 842         if (network->driver && network->driver->disconnect)
 843                 return network->driver->disconnect(network);
 844
 845         network->connected = FALSE;
 846
 847         return 0;
 848 }
 849
 850 /**
 851  * connman_network_set_string:
 852  * @network: network structure
 853  * @key: unique identifier
 854  * @value: string value
 855  *
 856  * Set string value for specific key
 857  */
 858 int connman_network_set_string(struct connman_network *network,
 859                                         const char *key, const char *value)
 860 {
 861         DBG("network %p key %s value %s", network, key, value);
 862
 863         if (g_str_equal(key, "Address") == TRUE) {
 864                 g_free(network->address);
 865                 network->address = g_strdup(value);
 866         } else if (g_str_equal(key, "Name") == TRUE) {
 867                 g_free(network->name);
 868                 network->name = g_strdup(value);
 869         } else if (g_str_equal(key, "Node") == TRUE) {
 870                 g_free(network->node);
 871                 network->node = g_strdup(value);
 872         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 873                 g_free(network->wifi.mode);
 874                 network->wifi.mode = g_strdup(value);
 875         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 876                 g_free(network->wifi.security);
 877                 network->wifi.security = g_strdup(value);
 878         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 879                 g_free(network->wifi.passphrase);
 880                 network->wifi.passphrase = g_strdup(value);
 881         }
 882
 883         return connman_element_set_string(&network->element, key, value);
 884 }
 885
 886 /**
 887  * connman_network_get_string:
 888  * @network: network structure
 889  * @key: unique identifier
 890  *
 891  * Get string value for specific key
 892  */
 893 const char *connman_network_get_string(struct connman_network *network,
 894                                                         const char *key)
 895 {
 896         DBG("network %p key %s", network, key);
 897
 898         if (g_str_equal(key, "Address") == TRUE)
 899                 return network->address;
 900         else if (g_str_equal(key, "Name") == TRUE)
 901                 return network->name;
 902         else if (g_str_equal(key, "Node") == TRUE)
 903                 return network->node;
 904         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 905                 return network->wifi.mode;
 906         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 907                 return network->wifi.security;
 908         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 909                 return network->wifi.passphrase;
 910
 911         return connman_element_get_string(&network->element, key);
 912 }
 913
 914 /**
 915  * connman_network_set_uint8:
 916  * @network: network structure
 917  * @key: unique identifier
 918  * @value: integer value
 919  *
 920  * Set integer value for specific key
 921  */
 922 int connman_network_set_uint8(struct connman_network *network,
 923                                         const char *key, connman_uint8_t value)
 924 {
 925         DBG("network %p key %s value %d", network, key, value);
 926
 927         if (g_str_equal(key, "Priority") == TRUE)
 928                 network->priority = value;
 929         else if (g_str_equal(key, "Strength") == TRUE)
 930                 network->strength = value;
 931
 932         return connman_element_set_uint8(&network->element, key, value);
 933 }
 934
 935 /**
 936  * connman_network_get_uint8:
 937  * @network: network structure
 938  * @key: unique identifier
 939  *
 940  * Get integer value for specific key
 941  */
 942 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 943                                                         const char *key)
 944 {
 945         DBG("network %p key %s", network, key);
 946
 947         if (g_str_equal(key, "Priority") == TRUE)
 948                 return network->priority;
 949         else if (g_str_equal(key, "Strength") == TRUE)
 950                 return network->strength;
 951
 952         return connman_element_get_uint8(&network->element, key);
 953 }
 954
 955 /**
 956  * connman_network_set_blob:
 957  * @network: network structure
 958  * @key: unique identifier
 959  * @data: blob data
 960  * @size: blob size
 961  *
 962  * Set binary blob value for specific key
 963  */
 964 int connman_network_set_blob(struct connman_network *network,
 965                         const char *key, const void *data, unsigned int size)
 966 {
 967         DBG("network %p key %s size %d", network, key, size);
 968
 969         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 970                 g_free(network->wifi.ssid);
 971                 network->wifi.ssid = g_try_malloc(size);
 972                 if (network->wifi.ssid != NULL) {
 973                         memcpy(network->wifi.ssid, data, size);
 974                         network->wifi.ssid_len = size;
 975                 } else
 976                         network->wifi.ssid_len = 0;
 977         }
 978
 979         return connman_element_set_blob(&network->element, key, data, size);
 980 }
 981
 982 /**
 983  * connman_network_get_blob:
 984  * @network: network structure
 985  * @key: unique identifier
 986  * @size: pointer to blob size
 987  *
 988  * Get binary blob value for specific key
 989  */
 990 const void *connman_network_get_blob(struct connman_network *network,
 991                                         const char *key, unsigned int *size)
 992 {
 993         DBG("network %p key %s", network, key);
 994
 995         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 996                 if (size != NULL)
 997                         *size = network->wifi.ssid_len;
 998                 return network->wifi.ssid;
 999         }
1000
1001         return connman_element_get_blob(&network->element, key, size);
1002 }
1003
1004 void __connman_network_set_device(struct connman_network *network,
1005                                         struct connman_device *device)
1006 {
1007         network->device = device;
1008 }
1009
1010 /**
1011  * connman_network_get_device:
1012  * @network: network structure
1013  *
1014  * Get parent device of network
1015  */
1016 struct connman_device *connman_network_get_device(struct connman_network *network)
1017 {
1018         return network->device;
1019 }
1020
1021 /**
1022  * connman_network_get_data:
1023  * @network: network structure
1024  *
1025  * Get private network data pointer
1026  */
1027 void *connman_network_get_data(struct connman_network *network)
1028 {
1029         return network->driver_data;
1030 }
1031
1032 /**
1033  * connman_network_set_data:
1034  * @network: network structure
1035  * @data: data pointer
1036  *
1037  * Set private network data pointer
1038  */
1039 void connman_network_set_data(struct connman_network *network, void *data)
1040 {
1041         network->driver_data = data;
1042 }
1043
1044 static gboolean match_driver(struct connman_network *network,
1045                                         struct connman_network_driver *driver)
1046 {
1047         if (network->type == driver->type ||
1048                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1049                 return TRUE;
1050
1051         return FALSE;
1052 }
1053
1054 static int network_probe(struct connman_element *element)
1055 {
1056         struct connman_network *network = element->network;
1057         GSList *list;
1058         int err;
1059
1060         DBG("element %p name %s", element, element->name);
1061
1062         if (network == NULL)
1063                 return -ENODEV;
1064
1065         for (list = driver_list; list; list = list->next) {
1066                 struct connman_network_driver *driver = list->data;
1067
1068                 if (match_driver(network, driver) == FALSE)
1069                         continue;
1070
1071                 DBG("driver %p name %s", driver, driver->name);
1072
1073                 if (driver->probe(network) == 0) {
1074                         network->driver = driver;
1075                         break;
1076                 }
1077         }
1078
1079         if (network->driver == NULL)
1080                 return -ENODEV;
1081
1082         err = register_interface(element);
1083         if (err < 0) {
1084                 if (network->driver->remove)
1085                         network->driver->remove(network);
1086                 return err;
1087         }
1088
1089         __connman_profile_add_network(network);
1090
1091         return 0;
1092 }
1093
1094 static void network_remove(struct connman_element *element)
1095 {
1096         struct connman_network *network = element->network;
1097
1098         DBG("element %p name %s", element, element->name);
1099
1100         if (network == NULL)
1101                 return;
1102
1103         if (network->driver == NULL)
1104                 return;
1105
1106         __connman_profile_remove_network(network);
1107
1108         unregister_interface(element);
1109
1110         if (network->driver->remove)
1111                 network->driver->remove(network);
1112 }
1113
1114 static void network_change(struct connman_element *element)
1115 {
1116         struct connman_network *network = element->network;
1117
1118         DBG("element %p name %s", element, element->name);
1119
1120         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1121                 return;
1122
1123         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1124                 return;
1125
1126         if (network->connected == FALSE)
1127                 return;
1128
1129         connman_element_unregister_children(element);
1130
1131         connman_device_set_disconnected(network->device, TRUE);
1132
1133         if (network->driver && network->driver->disconnect) {
1134                 network->driver->disconnect(network);
1135                 return;
1136         }
1137
1138         network->connected = FALSE;
1139 }
1140
1141 static struct connman_driver network_driver = {
1142         .name           = "network",
1143         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1144         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1145         .probe          = network_probe,
1146         .remove         = network_remove,
1147         .change         = network_change,
1148 };
1149
1150 static int network_init(struct connman_device *device)
1151 {
1152         DBG("device %p", device);
1153
1154         return 0;
1155 }
1156
1157 static int network_load(struct connman_network *network)
1158 {
1159         GKeyFile *keyfile;
1160         gchar *pathname, *data = NULL;
1161         gsize length;
1162         const char *name;
1163         char *str;
1164         int val;
1165
1166         DBG("network %p", network);
1167
1168         name = connman_device_get_name(network->device);
1169         if (name == NULL)
1170                 return -EINVAL;
1171
1172         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1173         if (pathname == NULL)
1174                 return -ENOMEM;
1175
1176         keyfile = g_key_file_new();
1177
1178         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1179                 g_free(pathname);
1180                 return -ENOENT;
1181         }
1182
1183         g_free(pathname);
1184
1185         if (g_key_file_load_from_data(keyfile, data, length,
1186                                                         0, NULL) == FALSE) {
1187                 g_free(data);
1188                 return -EILSEQ;
1189         }
1190
1191         g_free(data);
1192
1193         network->remember = g_key_file_get_boolean(keyfile,
1194                                         network->identifier, "Remember", NULL);
1195
1196         val = g_key_file_get_integer(keyfile, network->identifier,
1197                                                         "Priority", NULL);
1198         if (val > 0)
1199                 network->priority = val;
1200
1201         str = g_key_file_get_string(keyfile,
1202                                 network->identifier, "WiFi.Security", NULL);
1203         if (str != NULL) {
1204                 g_free(network->wifi.security);
1205                 network->wifi.security = str;
1206         }
1207
1208         str = g_key_file_get_string(keyfile,
1209                                 network->identifier, "WiFi.Passphrase", NULL);
1210         if (str != NULL) {
1211                 g_free(network->wifi.passphrase);
1212                 network->wifi.passphrase = str;
1213         }
1214
1215         g_key_file_free(keyfile);
1216
1217         return 0;
1218 }
1219
1220 static int network_save(struct connman_network *network)
1221 {
1222         GKeyFile *keyfile;
1223         gchar *pathname, *data = NULL;
1224         gsize length;
1225         const char *name;
1226
1227         DBG("network %p", network);
1228
1229         name = connman_device_get_name(network->device);
1230         if (name == NULL)
1231                 return -EINVAL;
1232
1233         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1234         if (pathname == NULL)
1235                 return -ENOMEM;
1236
1237         keyfile = g_key_file_new();
1238
1239         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1240                 goto update;
1241
1242         if (length > 0) {
1243                 if (g_key_file_load_from_data(keyfile, data, length,
1244                                                         0, NULL) == FALSE)
1245                         goto done;
1246         }
1247
1248         g_free(data);
1249
1250 update:
1251         g_key_file_set_boolean(keyfile, network->identifier,
1252                                         "Remember", network->remember);
1253
1254         if (network->priority > 0)
1255                 g_key_file_set_integer(keyfile, network->identifier,
1256                                                 "Priority", network->priority);
1257
1258         if (network->remember == TRUE || network->connected == TRUE) {
1259                 if (network->wifi.security != NULL)
1260                         g_key_file_set_string(keyfile, network->identifier,
1261                                 "WiFi.Security", network->wifi.security);
1262
1263                 if (network->wifi.passphrase != NULL)
1264                         g_key_file_set_string(keyfile, network->identifier,
1265                                 "WiFi.Passphrase", network->wifi.passphrase);
1266         }
1267
1268         data = g_key_file_to_data(keyfile, &length, NULL);
1269
1270         g_file_set_contents(pathname, data, length, NULL);
1271
1272 done:
1273         g_free(data);
1274
1275         g_key_file_free(keyfile);
1276
1277         g_free(pathname);
1278
1279         return 0;
1280 }
1281
1282 static struct connman_storage network_storage = {
1283         .name           = "network",
1284         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1285         .network_init   = network_init,
1286         .network_load   = network_load,
1287         .network_save   = network_save,
1288 };
1289
1290 int __connman_network_init(void)
1291 {
1292         DBG("");
1293
1294         connection = connman_dbus_get_connection();
1295
1296         if (connman_storage_register(&network_storage) < 0)
1297                 connman_error("Failed to register network storage");
1298
1299         return connman_driver_register(&network_driver);
1300 }
1301
1302 void __connman_network_cleanup(void)
1303 {
1304         DBG("");
1305
1306         connman_driver_unregister(&network_driver);
1307
1308         connman_storage_unregister(&network_storage);
1309
1310         dbus_connection_unref(connection);
1311 }